Item Type: Electric Test Clips_x000D_ Material: PVC, Brass_x000D_ Model: J.60050_x000D_ Uses:For Power Test, Electronic and Electrical Circuit Experimental Test, Etc._x000D_ Current and Voltage: 30A / 1000V_x000D_ Opening Size:Approx. 20mm / 0.8in_x000D_ Inner Diameter of Rear Hole:Approx. 4mm / 0.2in 1Multi Purpose: Electric test clips can be used for power test, electronic and electrical circuit experimental test, etc. 2Good Electrical Conductivity: Power test clip is made of brass, which has good electrical conductivity, thermal conductivity, corrosion resistance and ductility, etc. 3Safe Reliable: Electrical mini test clamp clips have good conductivity, durability and long life; wire can be welded, with high safety and reliability. 4Ease of Use: The insulated power test clamp is easy to use, connect the cable to the clamp and start testing as soon as it is connected to the appropriate test equipment. 5Parameter Data: 20mm power test clip current and voltage 30A/1000V, opening size 20mm, rear hole inner diameter 4mm.2 xElectricTestClips(Red) 2 xElectricTestClips(Black) 2 xElectricTestClips(Yellow) 2 xElectricTestClips(Blue) 2 xElectricTestClips(Green)